A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin Imagine the Milky Way and Andromeda as two massive aircraft ...
A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...
The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.
At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...
The NASA/ESA Hubble Space Telescope has produced the most detailed image yet of the Antennae Galaxies. Hubble previously ...
A supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Over the past ...
Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy that would pulse every two hours, like a cosmic heartbeat. The long radio ...